Remove unused code from PercolateQueryBuilder (elastic#118791)

Author: javanna

modules/percolator/src/main/java/org/elasticsearch/percolator/PercolateQueryBuilder.java

@@ -43,7 +43,6 @@
 import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
-import org.elasticsearch.common.logging.DeprecationLogger;
 import org.elasticsearch.common.xcontent.LoggingDeprecationHandler;
 import org.elasticsearch.common.xcontent.XContentHelper;
 import org.elasticsearch.index.IndexVersion;
@@ -80,28 +79,19 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
-import java.util.function.BiConsumer;
 import java.util.function.Supplier;
 
 import static org.elasticsearch.search.SearchService.ALLOW_EXPENSIVE_QUERIES;
 import static org.elasticsearch.xcontent.ConstructingObjectParser.constructorArg;
 import static org.elasticsearch.xcontent.ConstructingObjectParser.optionalConstructorArg;
 
 public class PercolateQueryBuilder extends AbstractQueryBuilder<PercolateQueryBuilder> {
-    private static final DeprecationLogger deprecationLogger = DeprecationLogger.getLogger(ParseField.class);
-    static final String DOCUMENT_TYPE_DEPRECATION_MESSAGE = "[types removal] Types are deprecated in [percolate] queries. "
-        + "The [document_type] should no longer be specified.";
-    static final String TYPE_DEPRECATION_MESSAGE = "[types removal] Types are deprecated in [percolate] queries. "
-        + "The [type] of the indexed document should no longer be specified.";
-
     public static final String NAME = "percolate";
 
     static final ParseField DOCUMENT_FIELD = new ParseField("document");
     static final ParseField DOCUMENTS_FIELD = new ParseField("documents");
     private static final ParseField NAME_FIELD = new ParseField("name");
     private static final ParseField QUERY_FIELD = new ParseField("field");
-    private static final ParseField DOCUMENT_TYPE_FIELD = new ParseField("document_type");
-    private static final ParseField INDEXED_DOCUMENT_FIELD_TYPE = new ParseField("type");
     private static final ParseField INDEXED_DOCUMENT_FIELD_INDEX = new ParseField("index");
     private static final ParseField INDEXED_DOCUMENT_FIELD_ID = new ParseField("id");
     private static final ParseField INDEXED_DOCUMENT_FIELD_ROUTING = new ParseField("routing");
@@ -368,10 +358,6 @@ protected void doXContent(XContentBuilder builder, Params params) throws IOExcep
         );
     }
 
-    private static BiConsumer<PercolateQueryBuilder, String> deprecateAndIgnoreType(String key, String message) {
-        return (target, type) -> deprecationLogger.compatibleCritical(key, message);
-    }
-
     private static BytesReference parseDocument(XContentParser parser) throws IOException {
         try (XContentBuilder builder = XContentFactory.jsonBuilder()) {
             builder.copyCurrentStructure(parser);